The average bus between Ayr and Dumbarton takes 2h 22m and the fastest bus takes 1h 44m. There is a bus service every few hours from Ayr to Dumbarton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Ayr and Dumbarton. The earliest departure is at 6:20 AM in the morning, and the last departure from Ayr is at 10:40 PM which arrives into Dumbarton at 6:47 AM. All services require a transfer, and take on average 2h 22m. The schedules shown below are for the next available departures.

2h 14m • 1 change
2h 12m • 1 change
1h 58m • 1 change
1h 58m • 1 change
2h 9m • 1 change
2h 4m • 1 change
2h 19m • 1 change
2h 9m • 1 change
2h 9m • 1 change
2h 4m • 1 change
2h 19m • 1 change
2h 9m • 1 changeWant to know about travelling from Ayr to Dumbarton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Ayr to Dumbarton. However, there are services departing from Ayr station and arriving at Dumbarton station via Buchanan Bus Station station. The journey, including transfers, takes approximately 2h 22m.
Ayr to Dumbarton bus services, operated by Stagecoach West Scotland, depart from Ayr Bus Station.
Ayr to Dumbarton bus services, operated by Stagecoach West Scotland, arrive at Barloan Toll station.
The distance between Ayr and Dumbarton is 53.7 km. The road distance is 81 km.
You can take a bus from Ayr Bus Station to Barloan Toll via Buchanan Bus Station in around 2h 2m.